a device, carried or worn by people working near radiation for measuring
the amount of radiation to which they are exposed.

dosimetry

the measurement by a dosimeter of the dosage of radiation a person might
have received. See also
130. DRUGS
. —
dosimetrist,
n.
—
dosimetric, dosimetrical
adj.

fluorometer

an instrument for measuring the emission of radiation in the form of
visible light and identifying the substance that is its source. —
fluorometric,
adj.

fluorometry

the measurement of fluorescence, or visible radiation, by means of a
fluorometer. —
fluorometric,
adj.

fluoroscopy

an examination by means of a screen coated with a fluorescent substance
responsive to radiation from x rays. —
fluoroscopic,
adj.

metallography

the study of metals and their structures and properties by the use of
microscopy and x rays.

pyelography

the science or technique of making x-ray photographs of the kidneys,
renal pelves, and ureters, using injection of opaque solutions or
radiopaque dyes. —
pyelographic,
adj.

radiesthesia

the sensitivity of some humans to radiation of various kinds, as in
water divining or nonmedical diagnosis. —
radiesthetic,
adj.

radioactivity

the state, property, or process of being radioactive.

radiography

the production of photographic images on film using radiation from other
radioactive substances instead of light. Also called
x-ray scotography, shadowgraphy
. —
radiograph, radiographer,
n.
—
radiographic, radiographical,
adj.

radiology

1.
the science that studies x rays or radiation from radioactive
substances, esp. for medical purposes.

2.
the examination or photographing of parts of the body with such rays.